package com.future.config.result;

import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

/**
 * 统一返回数据格式自动配置
 *
 * @author shiyong
 * 2022/3/10 10:42
 */
@EnableWebMvc
@Configuration(proxyBeanMethods = false)
@ConditionalOnBean(CommonResultResponseMarkerConfiguration.Marker.class)
@RestControllerAdvice("com.future")
public class CommonResultResponseAutoConfiguration implements ResponseBodyAdvice<Object> {

    static {
        System.out.println("CommonResultResponseAutoConfiguration init....");
    }

    @Override
    public boolean supports(MethodParameter methodParameter, Class<? extends HttpMessageConverter<?>> aClass) {
        return true;
    }

    @Override
    public Object beforeBodyWrite(Object body, MethodParameter methodParameter,
                                  MediaType mediaType, Class<? extends HttpMessageConverter<?>> aClass,
                                  ServerHttpRequest serverHttpRequest, ServerHttpResponse serverHttpResponse) {

        if (body instanceof CommonResult) {
            return body;
        }

        return new CommonResult<>(body);
    }
}
